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More Widespread High Grade Results from Picachos

26 Aug 2015 07:00

RNS Number : 0761X
Herencia Resources PLC
26 August 2015

Herencia Resources plc

("Herencia" or "the Company")

More Widespread High Grade Results from Picachos

Highlights:

An ongoing XRF surface sampling program at Picachos has confirmed further high grade copper mineralisation

Sampling to the east of the 40M Shaft and the Santa Rosa mine resulted in multiple high grade zones

At the 40M Shaft, high grades were identified immediately up-dip from where earlier drilling had intersected deeper high grade copper mineralisation. This supports the view that this mineralisation can extend all the way to surface.

Many of the new areas sampled fall within the proposed open pit at Picachos

Updated geological-structural mapping together with recent sampling have confirmed the existence of shallow copper mineralisation over 1,200 metres extending from south of 40M Shaft through Flor del Bosque to La 脩ipa.

Herencia Resources plc (AIM:HER),the Chile-focussed mineral exploration and development Company, is pleased to advise that further surface sampling at its advanced Picachos Copper Project ("Picachos" or the "Project") in central Chile, has identified high grade copper mineralisation in a number of new areas immediately adjacent to the proposed open pit mining operations.

The extensive surface sampling program using the hand held XRF analyser and undertaken by company geologists focussed on mineralisation at 40M Shaft East, Flor del Bosque, La 脩ipa, Santa Rosa and the southern tenement areas, following several parallel mineralised structures and three limestone-bearing sequences.

Whilst these results are indicative of the presence of mineralisation in a selection of rocks at the surface, the high grade results in the 40M Shaft East area and mapping of additional mine workings confirm the continuity, at shallow levels, of the copper grades seen in diamond drill hole DDH14003 which returned 117m at 1.14% copper from 182m and which included higher grade intervals of 18m at 1.53% copper from 184m, 9m at 2.02% copper from193m, 16m at 1.50% copper from 213m, 10m at 1.95% copper from 254m, 10m at 2.00% copper from 268m and 11m at 2.21% copper from 288m (refer RNS dated 18 December 2014).

The significance of this is that the area of the proposed open pit immediately to the east of the 40M shaft which was previously modelled as waste could be potential high grade mineralisation based on the excellent results from the latest sampling program and the structural interpretation of this area.

Significant results from the sampling program, including the highest result of 24.8% copper in the 40M Shaft area, are attached in Table 1聽http://www.rns-pdf.londonstockexchange.com/rns/0761X_-2015-8-25.pdf. and on a diagram available on the Company's website at www.herenciaresources.com and attached here:http://www.rns-pdf.londonstockexchange.com/rns/0761X_2-2015-8-25.pdf

An extensive geological and structural mapping program was undertaken in conjunction with the most recent sampling which has confirmed the existence of shallow copper mineralisation over a strike length of 1,200 metres - extending from south of the 40M Shaft through Flor del Bosque to La 脩ipa. A similar geological structure has also been identified between Santa Rosa, Rancho 4 and 40M Shaft East.

Managing Director, Graeme Sloan, commented:

"It is always pleasing to see consistent and extensive high grade copper values on the surface, especially when associated with deeper drilling showing mineralisation. In many ways this latest program confirms the prospectivity of Picachos and potentially opens the door to a multiple open pit scenario which could provide the Company the all-important flexibility and optionality needed for production. This in turn could lead to better use of equipment, higher productivity and an overall lower operating cost.

Many of the high grade copper samples in the 40M Shaft East area are located immediately above and adjacent to an already defined JORC mineral resource where our own diamond drilling (the most accurate and expensive of all drilling), has confirmed large zones of high grade copper and silver mineralisation.

Our indicative open pit mine studies have modelled the majority of the area to the east of the 40M shaft as waste, however if we are correct and this area is mineralised then it could have a significant impact on pit economics with more ore and less waste which would be a great outcome.

In conjunction with the latest sampling program, the team have continued to progress in many areas including mine studies, approvals, mapping and a re-interpretation of the Picachos geology in preparation for mine development. We will look to provide further guidance over the coming weeks."

About the Picachos Project

The Picachos Project is located approximately 50km south of the coastal city of La Serena, 8km west of both the existing Andacollo copper-gold project operated by Teck Resources and the mining town of Andacollo (population approximately 10,000 people), and 10km south of the privately owned Tambillos copper mine. The Project is very well positioned for infrastructure with existing high voltage power located approximately 3km east of the Project area and serviced by two all-weather access roads.

Small scale mining is currently being undertaken by private miners via small open pit and underground mining operations. Ore is being trucked to a Chilean government owned processing plant (ENAMI plant) where it is processed. This mining will continue up until such time as the Option to fully acquire Picachos is exercised (at Herencia's discretion) and is seen by the Company as an excellent mechanism to achieve geological and grade data across many zones of mineralisation.

A review of available data and recent site visits have identified up to six separate zones of mineralisation. In some areas the close relationship of these zones coupled with multiple occurrences of out-cropping wide zones of mineralisation, highlights the excellent potential for large scale open pit mining to take place at Picachos. Historic mining has focused mainly around the high grade structures, however in some areas the mantos has been mined up to 50m wide. Mineralisation generally commences from one to five metres below the surface and appears open at depth.

About Herencia

Herencia Resources plc, is an AIM quoted exploration and development company operating in Chile. In addition to the Picachos Copper Project, the Company also has the Guamanga Copper Project and the 70% owned Paguanta Project, a high grade silver-zinc-lead project located in northern Chile. The Company's corporate office is located in Perth and the main technical and management office is located in Santiago, Chile where it has been operating for over eight years.

For further information please contact:

Graeme Sloan, Herencia Resources plc +61 8 9481 4204聽

Katy Mitchell, WH Ireland Limited (NOMAD) +44 161 832 2174

Stephen Allen, RFC Ambrian (Australia) +61 8 9480 2507

John van Eeghen, RFC Ambrian (UK) +44 203 440 6816

Jon Belliss, Beaufort Securities Limited (UK) +44 207 382 8300

References in this announcement to exploration results and potential have been approved for release by Mr Graeme Sloan (BAppSc Mining Engineering WASM) who has more than 20 years relevant experience in the field of activity concerned. Mr Sloan is a Member of the Australasian Institute of Mining and Metallurgy. Mr Sloan has consented to the inclusion of the material in the form and context in which it appears.

Further background details on the Company can be found at www.herenciaresources.com

This information is provided by RNS
The company news service from the London Stock Exchange
END
DRLBLGDICDDBGUU
Date   Source Headline
3rd Apr 200810:40 amRNSTarget Identified at Paguanta
25th Mar 20086:03 pmRNSFinal Results
18th Mar 200810:27 amRNSChange of Registered Office
28th Feb 200810:58 amRNSFocus on the Paguanta Project
12th Feb 20081:32 pmRNSDrilling Report
3rd Jan 200812:29 pmRNSDirector/PDMR Shareholding
30th Nov 200711:07 amRNSIssue of Options
30th Nov 200710:08 amRNSTotal Voting Rights
28th Nov 20073:19 pmRNSHolding(s) in Company
6th Nov 20074:56 pmRNSDirector/PDMR Shareholding
1st Nov 20073:05 pmRNSIssue of Equity
31st Oct 20078:15 amRNSTotal Voting Rights
23rd Oct 200710:45 amRNSJoint Venture Agreement
15th Oct 20074:23 pmRNSResult of AGM
12th Oct 20074:21 pmRNSHolding(s) in Company
5th Oct 200710:52 amRNSDrilling Report
27th Sep 20074:03 pmRNSIssue of Equity
19th Sep 200710:28 amRNSDrilling Report
18th Sep 200712:31 pmRNSInterim Results
14th Sep 20073:23 pmRNSNotice of AGM
11th Sep 20077:00 amRNSShareholding in Herencia
4th Sep 200711:01 amRNSDrilling Report
13th Aug 200710:25 amRNSAIM Rule 26
1st Aug 200710:41 amRNSDrilling Report
18th Jul 200710:44 amRNSDrilling Report
22nd Jun 20071:07 pmRNSInterim Results
18th May 20079:12 amRNSDirectorate Change
5th Apr 20074:29 pmRNSNew Accounting Ref Date
5th Apr 200710:03 amRNSIssue of Options
30th Mar 20077:00 amRNSTotal Voting Rights
29th Mar 20077:00 amRNSInterim Results
26th Mar 20075:30 pmRNSHolding(s) in Company
22nd Mar 20079:36 amRNSHolding(s) in Company
13th Mar 20073:15 pmRNSIssue of Equity
21st Feb 20073:57 pmRNSDrilling Report
25th Jan 20078:06 amRNSDrilling Report
28th Dec 20068:00 amRNSTotal Voting Rights
16th Nov 20068:41 amRNSFinal Results
30th Oct 200610:42 amRNSPlacing
25th Oct 20063:26 pmRNSSubscription Agmt & Placing
4th Oct 20062:15 pmRNSAlliance Agreement
13th Sep 200611:26 amRNSDirectorate Change
24th Aug 20064:30 pmRNSProject & Exploration Update
24th Aug 20062:53 pmRNSChange of Adviser
26th Jul 20063:01 pmRNSResult of AGM
10th Jul 20063:49 pmRNSIssue of Equity
19th Jun 20063:54 pmRNSDirectorate Change
13th Jun 20064:19 pmRNSProject update
2nd May 200611:40 amRNSDrilling Report
24th Mar 20067:02 amRNSInterim Results

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